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An investigation of the hardening process for several phosphate glass-containing cements

✍ Scribed by W. S. Chen; E. A. Monroe; R. A. Condrate; Y. M. Guo

Publisher: Springer
Year: 1993
Tongue: English
Weight: 691 KB
Volume: 4
Category: Article
ISSN: 0957-4530
DOI: 10.1007/bf00120379

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✦ Synopsis

The hardening process for several phosphate glass-containing cements that have potential dental applications was investigated using both powder X-ray diffraction and Fouriertransform infrared spectral techniques. The investigated phosphate glasses contained various amounts of calcium, strontium and sodium ions. Crystalline brushite and amorphous phases whose concentrations and compositions depended on the compositions of the starting phases were formed during the hardening process for the cement. The study indicates that the use of phosphate glasses containing calcium and strontium ions in cement mixtures, rather than solid mixtures of the related metal oxides, sufficiently slows their hardening process so that commercially useful cements might be formed.

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